EP0294794A3 - Process to open soldered contacts of a relay and circuit to execute the same - Google Patents
Process to open soldered contacts of a relay and circuit to execute the same Download PDFInfo
- Publication number
- EP0294794A3 EP0294794A3 EP88109154A EP88109154A EP0294794A3 EP 0294794 A3 EP0294794 A3 EP 0294794A3 EP 88109154 A EP88109154 A EP 88109154A EP 88109154 A EP88109154 A EP 88109154A EP 0294794 A3 EP0294794 A3 EP 0294794A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- relay
- execute
- open
- circuit
- same
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/001—Means for preventing or breaking contact-welding
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H47/00—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
- H01H47/002—Monitoring or fail-safe circuits
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H47/00—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
- H01H47/002—Monitoring or fail-safe circuits
- H01H2047/003—Detecting welded contacts and applying weld break pulses to coil
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3719298 | 1987-06-10 | ||
DE19873719298 DE3719298A1 (en) | 1987-06-10 | 1987-06-10 | METHOD FOR RELEASING THE CONTACTS OF AN ADHESIVE RELAY, AND CIRCUIT ARRANGEMENT FOR IMPLEMENTING THE METHOD |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0294794A2 EP0294794A2 (en) | 1988-12-14 |
EP0294794A3 true EP0294794A3 (en) | 1990-08-29 |
EP0294794B1 EP0294794B1 (en) | 1993-08-11 |
Family
ID=6329387
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP88109154A Expired - Lifetime EP0294794B1 (en) | 1987-06-10 | 1988-06-08 | Process to open soldered contacts of a relay and circuit to execute the same |
Country Status (4)
Country | Link |
---|---|
US (1) | US4914315A (en) |
EP (1) | EP0294794B1 (en) |
DE (2) | DE3719298A1 (en) |
ES (1) | ES2043728T3 (en) |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01186182A (en) * | 1988-01-19 | 1989-07-25 | Fanuc Ltd | Servo motor controlling system |
JP2527041B2 (en) * | 1989-07-31 | 1996-08-21 | 日本電気株式会社 | Power supply circuit |
JP2669905B2 (en) * | 1989-09-01 | 1997-10-29 | ファナック株式会社 | Relay welding detection method |
CA2093064C (en) * | 1992-06-10 | 1998-08-11 | Dennis W. Waggamon | Contact status monitor |
JP2879807B2 (en) * | 1992-07-30 | 1999-04-05 | 矢崎総業株式会社 | Switch corrosion prevention circuit |
US5363669A (en) * | 1992-11-18 | 1994-11-15 | Whirlpool Corporation | Defrost cycle controller |
DE19632347A1 (en) * | 1996-08-10 | 1998-02-12 | Kaco Elektrotechnik Gmbh | Switches, in particular relays |
JP3724207B2 (en) * | 1997-09-08 | 2005-12-07 | 松下電器産業株式会社 | Relay control circuit |
DE19930521A1 (en) * | 1999-07-05 | 2001-01-11 | Volkswagen Ag | Relay component |
JP2002175750A (en) * | 2000-12-08 | 2002-06-21 | Toyota Motor Corp | Deposit sensing device for relay |
DE50214510D1 (en) | 2001-08-30 | 2010-08-12 | Krauss Maffei Wegmann Gmbh & C | ARTILLERY PROTECTION WITH A HEAVY WEAPON ARRANGED ON A TRUCK VEHICLE |
DE10300828C5 (en) † | 2003-01-10 | 2009-06-10 | Dorma Gmbh + Co. Kg | Control for a DC-operated door opener and method for controlling a DC-operated door opener |
JP3625474B1 (en) * | 2004-04-05 | 2005-03-02 | 富士通テン株式会社 | Contact corrosion prevention circuit |
JP4599260B2 (en) * | 2004-09-28 | 2010-12-15 | プライムアースEvエナジー株式会社 | POWER CONTROL DEVICE, POWER CONTROL METHOD, PROGRAM, AND RECORDING MEDIUM |
US7298148B2 (en) * | 2006-03-02 | 2007-11-20 | Emerson Electric Co. | Relay controller |
US20080055024A1 (en) * | 2006-08-31 | 2008-03-06 | Motorola, Inc. | System and method for protection of unplanned state changes of a magnetic latching relay |
US20100157502A1 (en) * | 2008-12-18 | 2010-06-24 | Caterpillar Inc. | System for decoupling a power source from a load |
WO2010129071A1 (en) * | 2009-05-08 | 2010-11-11 | Computer Performance, Inc. | Reduced parts count isolated ac current switching and sensing |
FR2959593B1 (en) * | 2010-04-30 | 2012-12-28 | Schneider Electric Ind Sas | CONTACT TYPE ELECTROMAGNETIC SWITCHING APPARATUS AND METHOD FOR OPENING SUCH APPARATUS. |
EP2580942A1 (en) * | 2010-06-08 | 2013-04-17 | Koninklijke Philips Electronics N.V. | Failsafe lighting system |
DE102012222129A1 (en) * | 2012-12-04 | 2014-06-05 | Robert Bosch Gmbh | Method for operating drive circuit of electromagnetic switch, involves effecting mechanical shaking of contact unit of electromagnetic switch by control with predetermined profile of driving voltage |
CN104850043A (en) * | 2015-04-27 | 2015-08-19 | 浙江恒自电力自动化设备有限公司 | Microcomputer protection measurement and control device |
CN107275157B (en) * | 2017-07-24 | 2020-05-26 | 浙江英洛华新能源科技有限公司 | Relay moving part detection circuit and relay with same |
KR102628966B1 (en) * | 2019-11-26 | 2024-01-23 | 주식회사 엘지에너지솔루션 | Apparatus for diagnosing a circuit and battery pack including the same |
CN113223895B (en) * | 2020-01-21 | 2022-08-12 | 株洲中车时代电气股份有限公司 | Output safety control circuit of relay |
DE102020007452B4 (en) | 2020-12-07 | 2023-06-22 | Daimler Truck AG | Method for operating a switching device of an electrical network, and switching device |
DE102022107181B3 (en) * | 2022-03-25 | 2023-05-11 | Webasto SE | Power circuit and method for increasing the release forces when switching a relay, and a relay, a charger and a control unit |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1158869A (en) * | 1956-09-14 | 1958-06-20 | Trindel | Improvements to electrical contactors |
DE1123384B (en) * | 1959-12-01 | 1962-02-08 | Siemens Elektrogeraete Gmbh | Contact device consisting of several contacts for switching and regulating devices for electrical heaters |
US3118091A (en) * | 1959-12-10 | 1964-01-14 | Honeywell Regulator Co | Control apparatus |
FR2565430A1 (en) * | 1984-06-04 | 1985-12-06 | Shinko Electric Co Ltd | CIRCUIT DETECTING A RELAY FAILURE |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3418609A (en) * | 1967-02-28 | 1968-12-24 | United Carr Inc | Square obturator |
DE1928371A1 (en) * | 1969-06-04 | 1971-02-04 | Hartmann & Braun Ag | Circuit arrangement for operating direct current relays on alternating voltage |
US3958198A (en) * | 1973-11-19 | 1976-05-18 | International Standard Electric Corporation | Magneto system including a tiltable u-shaped armature |
US4254391A (en) * | 1979-09-17 | 1981-03-03 | Fasco Industries, Inc. | Split armature relay |
DE3239840C2 (en) * | 1982-10-27 | 1986-11-20 | Siemens AG, 1000 Berlin und 8000 München | Circuit arrangement for operating electromagnetic switching devices |
DE3333833A1 (en) * | 1983-09-20 | 1985-04-04 | Brown, Boveri & Cie Ag, 6800 Mannheim | CIRCUIT ARRANGEMENT FOR DC OPERATION FOR CONTACTORS |
US4645886A (en) * | 1984-11-09 | 1987-02-24 | Cuisinarts, Inc. | Switch for automatically providing a safety function when its contacts are fused together in the "ON" position |
JPS632219A (en) * | 1986-06-20 | 1988-01-07 | 株式会社東芝 | Relay driving circuit |
-
1987
- 1987-06-10 DE DE19873719298 patent/DE3719298A1/en active Granted
-
1988
- 1988-06-08 DE DE8888109154T patent/DE3883086D1/en not_active Expired - Fee Related
- 1988-06-08 EP EP88109154A patent/EP0294794B1/en not_active Expired - Lifetime
- 1988-06-08 ES ES88109154T patent/ES2043728T3/en not_active Expired - Lifetime
- 1988-06-10 US US07/204,852 patent/US4914315A/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1158869A (en) * | 1956-09-14 | 1958-06-20 | Trindel | Improvements to electrical contactors |
DE1123384B (en) * | 1959-12-01 | 1962-02-08 | Siemens Elektrogeraete Gmbh | Contact device consisting of several contacts for switching and regulating devices for electrical heaters |
US3118091A (en) * | 1959-12-10 | 1964-01-14 | Honeywell Regulator Co | Control apparatus |
FR2565430A1 (en) * | 1984-06-04 | 1985-12-06 | Shinko Electric Co Ltd | CIRCUIT DETECTING A RELAY FAILURE |
Also Published As
Publication number | Publication date |
---|---|
ES2043728T3 (en) | 1994-01-01 |
EP0294794B1 (en) | 1993-08-11 |
DE3719298A1 (en) | 1988-12-22 |
US4914315A (en) | 1990-04-03 |
DE3883086D1 (en) | 1993-09-16 |
DE3719298C2 (en) | 1991-02-07 |
EP0294794A2 (en) | 1988-12-14 |
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